470 CLVi. CYPERACE.E (clarke). [Lipocm'pluc. 



Comptes-rendus Soc. bot. Bel.£^. xxxvi. 90 ; Rendle in Cat. Afr. PI. 

 Welw. ii. 129. Scirpus senegalensis, Lam. 111. i. 140. Hyjxdyj^tum. 

 argeiiteiim, Vahl, Enum. ii. 283. H. senegalense, K. Schum. in Engl. 

 Pii. Ost-Afr. C. 127. Hyp)olytrum. senegalense^ Pers. Syn. i. 70. 



Upper Guinea. Senegal, Dupuis ! Sierra Leone : near Franziga, ScoH -Elliot y 

 5044 ! and without precise locality, Don ! Yogel I Barter ! Lagos : Sliaki, Lagos 

 Government, 2 ! 



Ifflle Iiand. Abyssinia : Begemeder, Schimper, 1301 ! British p]ast Africa : 

 (iazelle liiver, at Meshra, Schweinfurth, 1333! Jur; .Tur Ghattas, Scfnceinfurfk, 

 1461 ! Madi ; hAow Madi rocky heights, Speke Sf Grant, 684 ! 



Itovrer Guinea. Lower Congo: Bingila, Dupuis l Lutete, I7o0 ft., ^e«*, 

 71 ! 254 ! Kisantu, Gillet, 521 ! 547 ! and without precise locality. Smith ! AngoLi : 

 Pungo Antionga ; in the rocky valleys of the Pra?sidiiini at the stream of Calunda, 

 Welwitsch, 6778 ! Huilla : ponds near Monino, Wehoitsch, 6777 ! Humpata, Neii-ton, 

 12 ! 13 ! 



BXozamb Sist. German Eas Africa: Karagwe, ScottSlliot^ 7474 I British 

 Central Africa : ' Nyasaland ; Xorth Nyasa, Scott ! W/>i/te ! Namasi, Cameron, 23 1 

 and without precise locality, Buchanan, 1180 ! 



Also in South Africa, the Mascarene Island?, Asia and Australia. 



2. Le filiformis, Kuntli^ Enum.. ii. 2G7. Glabrous. Stems 

 annual, tufted, 2-8 in. long, very slender. Leaves few, \ the length 

 of the stem, linear or setaceous. Head of 3-1 spikelets ; bracts 2, 

 the lower 1 in. long, horizontal, linear. Spikelets ^ by ^ in., cylindric, 

 obtuse, dense, white or more or less purple spotted, smooth. Glumes 

 broadly ovate, obtuse, their tips erect or incurved in fruit. Hyaline 

 scales a little shorter than the glume. Stamen 1. Nut almost as long 

 as the hyaline scales, oblong or narrowly obovoid, plano-convex, black- 

 brown, smooth. Style 0, or hardly any ; branches 3, minute, linear, 

 hardly exserted. — Boeck. in Linnaea, xxxvii. 117; C. B. Clarke in 

 Durand k Schinz, Conspect. Fl. Afr. v. 650. Hyjxelypium Jiliforme, 

 Vahl, Enum. ii. 284; Schumach. Beskr. Guin. PI. 31.. !Scirp)us 

 filifoo'tnis, Poir. Encycl. Suppl. v. 102, not of Lam. Fimlristylis 

 filiformis, Thonning ex Kunth, Enum. 267. 



Upper Guinea. Thonning ! Senegal, Heud'elot I 



3. !«<, triceps, Nees in Wight, Co7itrib. 92. Glabrous. Stems 

 annual, tufted, 4-1 G in. long, trigonous, striated, smooth. Leaves J to 

 J the length of the stem, linear. Spikelets 3-18 in the head, J by 

 J in., cylindric, very dense, obtuse, smooth, usually purple or dark 

 reddish, sometimes paler ; bracts 3-7, spreading, up to 1-4 in. long. 

 Glumes obovate, with a triangular tip erect or incurved in fruit. 

 Hyaline scales a little shorter than the glumes, lower narrowly elliptic, 

 upper oblong. Nut broadly- oblong, round- trigonous, nearly as long as 

 the hyaline scale, black-brown, smooth. Style or hardly any ; branches 

 3, linear, shortly exserted. — Z. sphacelata, Kunth, Enum. ii. 2G7 ; 

 Benth. in Hook. Niger Fl. .555 ; Boeck. in Flora, 1860, 37, in Linnsea, 

 xxxvii. 116; Eidley in Trans. Linn. Soc. ser. 2, Bot. ii. 1G2; C. B. 

 Clarke in Hook. f. Fl. Brit. Ind. vi. 667, and in Durand & Schinz, 



